package com.lingmeng.system.controller;

import com.lingmeng.common.core.constant.UserConstants;
import com.lingmeng.common.core.controller.BaseController;
import com.lingmeng.common.core.entity.AjaxResult;
import com.lingmeng.common.core.utils.StringUtils;
import com.lingmeng.common.log.annotation.Log;
import com.lingmeng.common.log.enums.BusinessType;
import com.lingmeng.common.security.annotation.RequiresPermissions;
import com.lingmeng.common.security.utils.SecurityUtils;
import com.lingmeng.system.api.entity.SysDept;
import com.lingmeng.system.service.SysDeptService;
import org.apache.commons.lang3.ArrayUtils;
import org.springframework.validation.annotation.Validated;
import org.springframework.web.bind.annotation.*;

import org.springframework.beans.factory.annotation.Autowired;
import java.util.List;

/**
 * 部门信息
 *
 * @author ycl
 */
@RestController
@RequestMapping("/dept")
public class SysDeptController extends BaseController {
	@Autowired
	private SysDeptService sysDeptService;

	/**
	 * 获取部门列表
	 */
	@RequiresPermissions("system:dept:list")
	@GetMapping("/list")
	public AjaxResult list(SysDept dept) {
		List<SysDept> depts = sysDeptService.selectDeptList(dept);
		return success(depts);
	}

	/**
	 * 查询部门列表（排除节点）
	 */
	@RequiresPermissions("system:dept:list")
	@GetMapping("/list/exclude/{deptId}")
	public AjaxResult excludeChild(@PathVariable(value = "deptId", required = false) Long deptId) {
		List<SysDept> depts = sysDeptService.selectDeptList(new SysDept());
		depts.removeIf(d -> d.getDeptId().intValue() == deptId || ArrayUtils.contains(StringUtils.split(d.getAncestors(), ","), deptId + ""));
		return success(depts);
	}

	/**
	 * 根据部门编号获取详细信息
	 */
	@RequiresPermissions("system:dept:query")
	@GetMapping(value = "/{deptId}")
	public AjaxResult getInfo(@PathVariable Long deptId) {
		sysDeptService.checkDeptDataScope(deptId);
		return success(sysDeptService.selectDeptById(deptId));
	}

	/**
	 * 新增部门
	 */
	@RequiresPermissions("system:dept:add")
	@Log(title = "部门管理", businessType = BusinessType.INSERT)
	@PostMapping
	public AjaxResult add(@Validated @RequestBody SysDept dept) {
		if (!sysDeptService.checkDeptNameUnique(dept)) {
			return error("新增部门'" + dept.getDeptName() + "'失败，部门名称已存在");
		}
		dept.setCreateBy(SecurityUtils.getUsername());
		return toAjax(sysDeptService.insertDept(dept));
	}

	/**
	 * 修改部门
	 */
	@RequiresPermissions("system:dept:edit")
	@Log(title = "部门管理", businessType = BusinessType.UPDATE)
	@PutMapping
	public AjaxResult edit(@Validated @RequestBody SysDept dept) {
		Long deptId = dept.getDeptId();
		sysDeptService.checkDeptDataScope(deptId);
		if (!sysDeptService.checkDeptNameUnique(dept)) {
			return error("修改部门'" + dept.getDeptName() + "'失败，部门名称已存在");
		} else if (dept.getParentId().equals(deptId)) {
			return error("修改部门'" + dept.getDeptName() + "'失败，上级部门不能是自己");
		} else if (StringUtils.equals(UserConstants.DEPT_DISABLE, dept.getStatus()) && sysDeptService.selectNormalChildrenDeptById(deptId) > 0) {
			return error("该部门包含未停用的子部门！");
		}
		dept.setUpdateBy(SecurityUtils.getUsername());
		return toAjax(sysDeptService.updateDept(dept));
	}

	/**
	 * 删除部门
	 */
	@RequiresPermissions("system:dept:remove")
	@Log(title = "部门管理", businessType = BusinessType.DELETE)
	@DeleteMapping("/{deptId}")
	public AjaxResult remove(@PathVariable Long deptId) {
		if (sysDeptService.hasChildByDeptId(deptId)) {
			return warn("存在下级部门,不允许删除");
		}
		if (sysDeptService.checkDeptExistUser(deptId)) {
			return warn("部门存在用户,不允许删除");
		}
		sysDeptService.checkDeptDataScope(deptId);
		return toAjax(sysDeptService.deleteDeptById(deptId));
	}
}
